196689743800 has 48 divisors (see below), whose sum is σ = 498876719400. Its totient is φ = 71523542400.

The previous prime is 196689743797. The next prime is 196689743807. The reversal of 196689743800 is 8347986691.

It is a super-2 number, since 2×196689743800² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196689743807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44700015 + ... + 44704414.

Almost surely, 2^196689743800 is an apocalyptic number.

196689743800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196689743800 is an abundant number, since it is smaller than the sum of its proper divisors (302186975600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196689743800 is a wasteful number, since it uses less digits than its factorization.

196689743800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89404456 (or 89404447 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 196689743800 in words is "one hundred ninety-six billion, six hundred eighty-nine million, seven hundred forty-three thousand, eight hundred".